1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe877a8117c9c4efa54c926ddb88b8b9f0d3694f808d2793674d7355fa2de5402. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/198a613c-d3e7-4224-a54f-3e49efd77785.json and https://artists.proofprofile.net/proofs/artist/198a613c-d3e7-4224-a54f-3e49efd77785.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Beautiful Day - Speakah Productions Remix
Beautiful Day - Speakah Productions Redub
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ea06a85112f90689cb529a0b2f0a477156d5c78aed63b5d32ad039b17a26369. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0T8UXaxaBxloqC2YMomNLH.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0T8UXaxaBxloqC2YMomNLH.
{"copyright_id":"0xc018ecf15804340fca48ffb271bb2d0eb70f765d9e1b415d44d6449359c764f7","isrc":"NLNY41100064","name":"Amsterdam - Original Mix","registered_at":"2026-06-07T16:19:49Z","spotify_id":"1wVwWPgd2BXF71KzFcadZG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc018ecf15804340fca48ffb271bb2d0eb70f765d9e1b415d44d6449359c764f7. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1wVwWPgd2BXF71KzFcadZG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1wVwWPgd2BXF71KzFcadZG.
The Biggest Reggae One-Drop Anthems 2006
{"copyright_id":"0x8beee2838f2a48f55959ad59141cf6eab49398ac87d5ec1ce86c6fa2af69b66e","isrc":"GBBZV0552277","name":"Ganja Farmer","registered_at":"2026-06-06T12:19:30Z","spotify_id":"6r8cXHz3duC8AbZNDVko4G","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8beee2838f2a48f55959ad59141cf6eab49398ac87d5ec1ce86c6fa2af69b66e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6r8cXHz3duC8AbZNDVko4G.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6r8cXHz3duC8AbZNDVko4G.
H.I.M. Teachings Riddim: Zion I Kings Riddim Series, Vol. 8
Weedman Dubplate Mix (Shashamane International Presents)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc19ac07ffe41c705d0d381a5da0e69b8d19c60bc87f4e0ae201202832805ac41. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1JuJ2DETTmUkFGaHmpVeAp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1JuJ2DETTmUkFGaHmpVeAp.
{"copyright_id":"0xeb01fcb55df82fc4f357dcca41804d21f6218b50f58fb3d5f9293e80b29d1b8e","isrc":"USCGJ1720179","name":"So High","registered_at":"2026-06-08T23:45:29Z","spotify_id":"3rRJP1wHRv9zd0QnnJvTUo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb01fcb55df82fc4f357dcca41804d21f6218b50f58fb3d5f9293e80b29d1b8e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3rRJP1wHRv9zd0QnnJvTUo.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3rRJP1wHRv9zd0QnnJvTUo.